Pulsed gas laser using acoustic diodes for circulation of the ga

Details Pulsed gas laser using acoustic diodes for circulation of the ga Pulsed gas laser using acoustic diodes for circulation of the ga

1985-04-05

1987-03-31

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 55, 372 33, H01S 322

Patent

active

046548556

ABSTRACT:
A pulsed electrical discharge gas laser uses acoustic diodes to cause the gas to circulate between the active region of the laser and a gas heat exchanger. The diodes take the form of asymmetrical obstacles placed within the gas flow exhibit asymmetrical resistance to the passage of compression waves in the gas that are generated by the electrical discharge and, as a consequence, cause a net flow of gas in one direction through the obstacles, thus causing the gas to circulate from the active region of the laser through the gas heat exchanger and return. A series of columns having cup-shaped cross sections act as the acoustic diodes.

REFERENCES:
patent: 4283686 (1981-08-01), Daugherty et al.

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